<!DOCTYPE html>
<html>
  <head>
    <title>indexl.html</title>
	
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    
    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
   
    <link rel="stylesheet" href="../css/index.css" type="text/css"></link></head>
    <script type="text/javascript">
     window.onload = function (){
     document.getElementById("child").style.visibility="hidden";
     document.getElementById("child1").style.visibility="hidden";
        document.getElementById("child2").style.visibility="hidden";
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      function yincang() {
     
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    function xianshi(){
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  function yincang1() {
     
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    function xianshi1(){
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      function yincang2() {
     
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           function yincang3() {
     
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    function xianshi3(){
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    </script>
  
  <body>
    <div id="contain">
       <div id="top">
    <img src="../Picture/ee.jpg" ></img>
    <span class="user">用户名|欢迎用户使用|退出</span>
   </div>
      <div id="center">
        <div id="title">
        
          <ul id="centertitle" >
        <li><a href="#">首页</a> </li>
   
             <li><a href="#"   onMouseOver="yincang()" onmouseout="xianshi()"   >信息管理</a>
             <div id="child" onMouseOver="yincang()" onmouseout="xianshi()">
             <ul  id="childeren" >
              <li><a href="StuSelect.html" >信息显示</a></li> 
              <li><a href="StuAdd.html">信息添加</a></li> 
              <li><a href="#">信息删除</a></li> 
            </ul>
         </div>
            </li>
           
           <li><a href="#" onMouseOver ="yincang1()"  onmouseout="xianshi1()" >成绩管理</a>
             <div id="child1"  onMouseOver="yincang1()" onmouseout="xianshi1()">
            <ul id="childeren">
              <li><a href="StuAdd.html">成绩显示</a></li> 
              <li><a href="#">成绩添加</a></li> 
              <li><a href="#">成绩删除</a></li> 
            </ul>
           </div>
           </li>
             <li><a href="#" onMouseOver ="yincang2()"  onmouseout="xianshi2()">创新管理</a>
             <div id="child2"  onMouseOver="yincang2()" onmouseout="xianshi2()">
              <ul id="childeren">
              <li><a href="StuAdd.html">创新显示</a></li> 
              <li><a href="#">创新添加</a></li> 
              <li><a href="#">创新删除</a></li> 
            </ul>
            </div>
             </li>
            <li><a href="#" onMouseOver ="yincang3()"  onmouseout="xianshi3()">活动管理</a>
            <div id="child3"  onMouseOver="yincang3()" onmouseout="xianshi3()">
             <ul id="childeren">
              <li><a href="#">活动显示</a></li> 
              <li><a href="#">活动添加</a></li> 
              <li><a href="#">活动删除</a></li> 
            </ul>
            </div>
            </li>
        </ul>
      
        </div>    
      </div>
       <div id="down"></div>
    </div>
  </body>
</html>
